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Top 5 Challenges faced by Data Scientists

Pickl AI

Data Science is the process in which collecting, analysing and interpreting large volumes of data helps solve complex business problems. A Data Scientist is responsible for analysing and interpreting the data, ensuring it provides valuable insights that help in decision-making.

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Leveraging Time-Series Segmentation and Machine Learning for Better Forecasting Accuracy

ODSC - Open Data Science

At the end of the day, why not use an AutoML package (Automated Machine Learning) or an Auto-Forecasting tool and let it do the job for you? An AutoML tool will usually use all the data you have available, develop several models, and then select the best-performing model as a global ‘champion’ to generate forecasts for all time series.

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sktime?—?Python Toolbox for Machine Learning with Time Series

ODSC - Open Data Science

Here’s what you need to know: sktime is a Python package for time series tasks like forecasting, classification, and transformations with a familiar and user-friendly scikit-learn-like API. Build tuned auto-ML pipelines, with common interface to well-known libraries (scikit-learn, statsmodels, tsfresh, PyOD, fbprophet, and more!)

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Microsoft Phi 2 for Classification

Mlearning.ai

Modifying Microsoft Phi 2 LLM for Sequence Classification Task. Transformer-Decoder models have shown to be just as good as Transformer-Encoder models for classification tasks (checkout winning solutions in the kaggle competition: predict the LLM where most winning solutions finetuned Llama/Mistral/Zephyr models for classification).

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How to Practice Data-Centric AI and Have AI Improve its Own Dataset

ODSC - Open Data Science

Utilize this model to diagnose data issues (via techniques covered here) and improve the dataset. For more complex issues like label errors, you can again simply filter out all the auto-detected bad data. Train the same model on the improved dataset. Try various modeling techniques to further improve performance.

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Hyper-parameter Tuning Through Grid Search and Optuna

Mlearning.ai

Photo by Agence Olloweb on Unsplash It is an important decision point to tune model parameters in a daily task of a data scientist. I have the binary classification problem that is why I try to make maximize F1 score. F1 score and parameters: {‘C’: 4, ‘kernel’: ‘poly’, ‘degree’: 1, ‘gamma’: ‘auto’}. We have 0.84

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Benchmarking Computer Vision Models using PyTorch & Comet

Heartbeat

Make sure that you import Comet library before PyTorch to benefit from auto logging features Choosing Models for Classification When it comes to choosing a computer vision model for a classification task, there are several factors to consider, such as accuracy, speed, and model size. Pre-trained models, such as VGG, ResNet.